Global Patent Index - EP 3427934 B1

EP 3427934 B1 20240410 - STRUCTURAL PRE-CURED REPAIR PATCH FOR REPAIR TO HIGHLY LOADED PRIMARY AND SECONDARY STRUCTURAL COMPONENTS

Title (en)

STRUCTURAL PRE-CURED REPAIR PATCH FOR REPAIR TO HIGHLY LOADED PRIMARY AND SECONDARY STRUCTURAL COMPONENTS

Title (de)

VORGEHÄRTETES STRUKTURREPARATURPFLASTER ZUR REPARATUR VON HOCH BELASTETEN PRIMÄR- UND SEKUNDÄRSTRUKTURBAUTEILEN

Title (fr)

PATCH DE RÉPARATION STRUCTUREL PRÉ-DURCI POUR RÉPARER DES COMPOSANTS STRUCTURAUX PRIMAIRES ET SECONDAIRES FORTEMENT CHARGÉS

Publication

EP 3427934 B1 20240410 (EN)

Application

EP 18170982 A 20180507

Priority

US 201715646606 A 20170711

Abstract (en)

[origin: EP3427934A1] Provided is a method a method for reworking an article. The method includes forming a patch (500) over an area of a composite structure (201) requiring rework. The forming includes placing a first film-adhesive (331) over the area of the composite structure requiring rework, wherein the first film-adhesive extends over a first surface area of the structure including beyond an entirety of the area requiring rework, placing a first pre-cured ply stack (333) over the first film-adhesive, wherein the first pre-cured ply stack extends over a second surface area of the composite structure; placing a second film-adhesive (335) over the first pre-cured ply stack, wherein the second film-adhesive extends over a third surface area of the composite structure; and placing a second pre-cured ply stack (337) over the second film-adhesive, wherein the second pre-cured ply stack extends over a fourth surface area of the composite structure.

IPC 8 full level

B29C 73/10 (2006.01)

CPC (source: BR CN EP KR US)

B23P 6/04 (2013.01 - BR); B29C 70/30 (2013.01 - BR); B29C 73/10 (2013.01 - EP KR US); B32B 7/12 (2013.01 - CN KR US); B32B 27/06 (2013.01 - CN); B32B 37/12 (2013.01 - KR US); B32B 43/00 (2013.01 - KR US); B64F 5/40 (2016.12 - CN); B32B 2260/021 (2013.01 - CN); B32B 2260/046 (2013.01 - CN); B32B 2605/18 (2013.01 - CN)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3427934 A1 20190116; EP 3427934 B1 20240410; BR 102018010529 A2 20190129; CA 3002826 A1 20190111; CA 3002826 C 20220719; CN 109229419 A 20190118; CN 109229419 B 20230224; JP 2019018554 A 20190207; JP 7144174 B2 20220929; KR 102587806 B1 20231010; KR 20190006909 A 20190121; SG 10201803078X A 20190227; US 10710352 B2 20200714; US 2019016107 A1 20190117

DOCDB simple family (application)

EP 18170982 A 20180507; BR 102018010529 A 20180523; CA 3002826 A 20180425; CN 201810711017 A 20180702; JP 2018076633 A 20180412; KR 20180077251 A 20180703; SG 10201803078X A 20180412; US 201715646606 A 20170711